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What is the small nipple on the top of the valve for? I just noticed whatever was there is missing. If it is a vacuum hose where does it go?
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Duncanville, TX - USA
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Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
It is indeed for a vaccuum line. It comes from the heater controls in the console. They(the vac. lines for this) normally come thru the firewall just to the pass. side of the distributor. You might look in that area and see if you find a loose one there...
Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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in Forum: C3 HVAC, Fuel, Emissions, and Exhaust
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